Phylum Ascomycota Caval.-Sm. (1998) - sac fungi
   Subphylum Pezizomycotina O.E. Erikss. & Winka (1997)
     Class Sordariomycetes O.E. Erikss. & Winka (1997)
       Order Amplistromatales M.J. D'souza, Maharachch. & K.D.Hyde (2015), incertae sedis
         1 Family Amplistromataceae Huhndorf, A.N. Mill., Greif & Samuels (2009)
         2 Family Catabotrydaceae Petr. ex M.E.Barr (1990) [monotypic]